Mathematics for IGCSE & O level - Time (Section 2 - No. 21)
A train arrives at 10:35 a.m. and the journey started 2 hours 40 minutes before. When did the journey begin?
7:55 a.m.
8:15 a.m.
8:05 a.m.
7:50 a.m.
説明
Subtract the journey time from the arrival time.